Home / 52,452.90-78,609.24-19,141.65

Finding the Fourth Proportional to 52,452.90, 78,609.24 and 19,141.65

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Solution

The fourth proportional to 52,452.90, 78,609.24 and 19,141.65 is: 28,686.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.90 : 78,609.24 = 19,141.65 : x
  2. Step 2: Convert to fraction form
    52,452.90/78,609.24 = 19,141.65/x
  3. Step 3: Cross multiply
    52,452.90x = 78,609.24 × 19,141.65
  4. Step 4: Simplify right side
    52,452.90x = 1,504,710,558.85
  5. Step 5: Solve for x
    x = 1,504,710,558.85/52,452.90
  6. Step 6: Final answer
    x = 28,686.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.